No. 2118.1

1
Bulletin #: 2118.1
Advanced Technical Information
Part ID: 1750
992-Upper Oil Pan Seal Housing Leak
Vehicles Affected
Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
911
Up to 2021
992
N/A
N/A
Revision History
Revision
Release Date
Changes
0
August 4, 2021
Original document
1
April 27, 2022
Update of Technical Background
Condition
Customer complains of an oil leak coming from the rear (engine area) of the vehicle. No relevant fault codes are present in the 		
fault memory. The oil leaks can occur under high load, “spirited driving”.
Technical Background
The aforementioned condition may be caused by an injection molding byproduct known as flashing which may be
responsible for sharp edges in the upper oil pan housing as seen in Figure 1.
Figure 1 - Sharp Edges on Upper Oil Pan
AfterSales
April 27, 2022
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Bulletin #: 2118.1
Advanced Technical Information
Part ID: 1750
1
These sharp edges can potentially cause cuts to seals within the oil pan, and cause improper sealing of oil passages. 		
Oil leaks can result from this in the above mentioned conditions. Figure 2 below shows the damage on the seals 		
caused by the sharp edges pictured in Figure 1.
Figure 2 - Effect of Injection Molding Byproduct Causing Damage in Seal
Service Information
Please replace the affected seal (Part # 0PB 115 111 B) in case any oil leak coming from the rear (engine area) of
the vehicle. Before replacing, please remove the plastic body of the new seal and check for the conditions described
above. If flashing can been seen on the plastic body, remove it with an appropriate tool and check the seal for dam-		
age. If the seal is undamaged, reassemble the plastic body and seal correctly.
Warranty
As always, please document the repair completely in PQIS.
For this repair, please code the “cause” as follows:
Cause location:
1750 Oil Pan
Cause symptom:
5043 Oil loss
17011750		
17501960		
17091960 		
17501961
17504999		
19381754 		
27068953		
Oil Drain and Fill
Lower Oil pan remove and reinstall
Oil level sender remove and reinstall
Upper Oil pan remove and reinstall
Rework Upper oil pan - Up to 50TU
Coolant drain and fill
Vehicle electrical system battery load
AfterSales
April 27, 2022
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Bulletin #: 2118.1
Advanced Technical Information
Part ID: 1750
1
Search Items
Oil Leak, Oil Pan, Oil, 911, 992
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training courses. They are
written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special tools may be necessary in
order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the safe operation of your vehicle, and
may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and safely. Part numbers listed in these bulletins
are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the PIWIS Tester
are the ones that must be followed.
A12585
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April 27, 2022
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